68398220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{310901}}^1$

素因数の和:310921

約数の個数: 24

約数和(自身を含む): 156694608

約数和(自身を除く): 88296388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 310901, 621802, 1243604, 1554505, 3109010, 3419911, 6218020, 6839822, 13679644, 17099555, 34199110, 68398220]

約数ペア:

[(1, 68398220), (2, 34199110), (4, 17099555), (5, 13679644), (10, 6839822), (11, 6218020), (20, 3419911), (22, 3109010), (44, 1554505), (55, 1243604), (110, 621802), (220, 310901)]